Remove current implementation of frame timing events.

cc/trees/layer_tree_host_client.h

Index: cc/trees/layer_tree_host_client.h
diff --git a/cc/trees/layer_tree_host_client.h b/cc/trees/layer_tree_host_client.h
index d871647dddec0efc2a672ea4a4c5bead4e7ef5cb..a8484842028bf128584804acf820482c2657b7b9 100644
--- a/cc/trees/layer_tree_host_client.h
+++ b/cc/trees/layer_tree_host_client.h
@@ -8,8 +8,6 @@
 #include <memory>
 
 #include "base/memory/ref_counted.h"
-#include "base/time/time.h"
-#include "cc/debug/frame_timing_tracker.h"
 
 namespace gfx {
 class Vector2d;
@@ -59,10 +57,6 @@ class LayerTreeHostClient {
   virtual void DidCommit() = 0;
   virtual void DidCommitAndDrawFrame() = 0;
   virtual void DidCompleteSwapBuffers() = 0;
-  virtual void RecordFrameTimingEvents(
-      std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-      std::unique_ptr<FrameTimingTracker::MainFrameTimingSet>
-          main_frame_events) = 0;
 
   // Called when page scale animation has completed.
   virtual void DidCompletePageScaleAnimation() = 0;